| Abiodun Abdurrahman | Department of Petroleum Resources | Nigeria | Oil & Gas Subcommittee | | |
| Bahijjahtu Abubakar | Nigeria Federal Ministry of the Environment | Nigeria | Steering Committee | | |
| Solomon Adesanya | Nigeria Federal Ministry of the Environment | Nigeria | Agriculture Technical Group | | |
| Solomon Adesanya | Nigeria Federal Ministry of the Environment | Nigeria | Biogas Subcommittee | | |
| Solomon Adesanya | Nigeria Federal Ministry of the Environment | Nigeria | Coal Subcommittee | | |
| Solomon Adesanya | Nigeria Federal Ministry of the Environment | Nigeria | MSW Technical Group | | |
| O. A. Afolabi | Nigeria Federal Ministry of the Environment | Nigeria | Biogas Subcommittee | | |
| O. A. Afolabi | Nigeria Federal Ministry of the Environment | Nigeria | MSW Technical Group | | |
| Florence Agyei Martey | Environmental Protection Agency - Ghana | Ghana | Agriculture Technical Group | | |
| Florence Agyei Martey | Environmental Protection Agency - Ghana | Ghana | Biogas Subcommittee | | |
| Gretta Akopova | Gazprom Vniigaz | Russia | Oil & Gas Subcommittee | | |
| Miguel Almada | Argentina - Ministry of Agriculture, Livestock and Fisheries | Argentina | Agriculture Technical Group | | |
| Miguel Almada | Argentina - Ministry of Agriculture, Livestock and Fisheries | Argentina | Biogas Subcommittee | | |
| Hamoud R. Al-Otaibi | Ministry of Energy, Industry and Mineral Resources | Saudi Arabia | Oil & Gas Subcommittee | | |
| Lodoi Altangerel | Petroleum Authority of Mongolia (PAM) | Mongolia | Oil & Gas Subcommittee | | |
| Tr. Altsukh | Mineral Resources Authority Mongolia (MRAM) | Mongolia | Coal Subcommittee | | |
| Kingsley Amoako | Ministry of Food and Agriculture | Ghana | Agriculture Technical Group | | |
| Kingsley Amoako | Ministry of Food and Agriculture | Ghana | Biogas Subcommittee | | |
| Joy Hesse Ankomah | Environmental Protection Agency - Ghana | Ghana | Biogas Subcommittee | | |
| Joy Hesse Ankomah | Environmental Protection Agency - Ghana | Ghana | MSW Technical Group | | |
| Ángel Tonatihu Arias Blanco | Secretariat for Environment and Natural Resources of Mexico (SEMARNAT) | Mexico | Steering Committee | | |
| Rudy Arifin | Indonesia Ministry of Public Works | Indonesia | Biogas Subcommittee | | |
| Rudy Arifin | Indonesia Ministry of Public Works | Indonesia | Wastewater Technical Group | | |
| Osman A. Arikan | Istanbul Technical University (ITU) | Turkey | Biogas Subcommittee | | |
| Osman A. Arikan | Istanbul Technical University (ITU) | Turkey | MSW Technical Group | | |
| Chitra Ria Ariska | Ministry of Energy and Mineral Resources Republic Indonesia | Indonesia | Oil & Gas Subcommittee | | |
| Araceli Arredondo | Secretariat for Environment and Natural Resources of Mexico (SEMARNAT) | Mexico | Agriculture Technical Group | | |
| Araceli Arredondo | Secretariat for Environment and Natural Resources of Mexico (SEMARNAT) | Mexico | Biogas Subcommittee | | |
| Kofi Asante | Energy Foundation | Ghana | Oil & Gas Subcommittee | | |
| Carolina Ascui Barth | Veolia Environmental Services | Chile | Biogas Subcommittee | | |
| Carolina Ascui Barth | Veolia Environmental Services | Chile | MSW Technical Group | | |
| Eric-Michel Assamoi | Ministry of Salubrity, Environment and Sustainable Development | Cote d'Ivoire | Oil & Gas Subcommittee | | |
| Sabyr Assylbekov | Kazakhstan Ministry of Energy | Kazakhstan | Oil & Gas Subcommittee | | |
| Esi Awuah | Kwame Nkrumah University of Science and Technology | Ghana | Biogas Subcommittee | | |
| Esi Awuah | Kwame Nkrumah University of Science and Technology | Ghana | MSW Technical Group | | |
| Mendabayar Badarch | Mongolian Nature and Environment Consortium (MNEC) | Mongolia | Coal Subcommittee | | |
| Basharat Bashir | Alternative Energy Development Board (AEDB) | Pakistan | Biogas Subcommittee | | |
| Basharat Bashir | Alternative Energy Development Board (AEDB) | Pakistan | Coal Subcommittee | | |
| Basharat Bashir | Alternative Energy Development Board (AEDB) | Pakistan | MSW Technical Group | | |
| Basharat Bashir | Alternative Energy Development Board (AEDB) | Pakistan | Oil & Gas Subcommittee | | |
| Basharat Bashir | Alternative Energy Development Board (AEDB) | Pakistan | Wastewater Technical Group | | |
| Juliana Bempah | Environmental Protection Agency - Ghana | Ghana | Steering Committee | | Alternate |
| Maciej Bialek | Poland Ministry of Energy | Poland | Steering Committee | | |
| Gabriel Blanco | National University of the Center of the Buenos Aires Province (UNICEN) | Argentina | Biogas Subcommittee | | |
| Gabriel Blanco | National University of the Center of the Buenos Aires Province (UNICEN) | Argentina | MSW Technical Group | | |
| Juliana Boateng | Environmental Applications and Technology Centre | Ghana | Biogas Subcommittee | | |
| Juliana Boateng | Environmental Applications and Technology Centre | Ghana | MSW Technical Group | | |
| Anna BOJANOWICZ - BABLOK | Institute of Environmental Protection | Poland | Agriculture Technical Group | | |
| Anna BOJANOWICZ - BABLOK | Institute of Environmental Protection | Poland | Biogas Subcommittee | | |
| Anna BOJANOWICZ - BABLOK | Institute of Environmental Protection | Poland | MSW Technical Group | | |
| Anna BOJANOWICZ - BABLOK | Institute of Environmental Protection | Poland | Wastewater Technical Group | | |
| Ange Benjamin Brida | Ministry of Salubrity, Environment and Sustainable Development | Cote d'Ivoire | Oil & Gas Subcommittee | | |
| Eran Brokovich | Israel Ministry of Energy | Israel | Oil & Gas Subcommittee | | |
| Diego A. Grajales Campos | Colombia Ministry of Mines and Energy | Colombia | Oil & Gas Subcommittee | | |
| Diego A. Grajales Campos | Colombia Ministry of Mines and Energy | Colombia | Steering Committee | | |
| Nazareno Castillo | Secretariat of Environment & Sustainable Development of Argentina | Argentina | Steering Committee | | |
| Giorgi Chikovani | Georgian International Energy Corporation | Georgia | Coal Subcommittee | | |
| Buyannemekh Chimeddorj | Ministry of Food and Agriculture of Mongolia | Mongolia | Agriculture Technical Group | | |
| Buyannemekh Chimeddorj | Ministry of Food and Agriculture of Mongolia | Mongolia | Biogas Subcommittee | | |
| Hanchang Choi | Republic of Korea Ministry of Environment | Republic of Korea | Steering Committee | | Alternate |
| Climate and Energy Direction | Italy Ministry for the Environment, Land and Sea | Italy | Steering Committee | | |
| Climate and Energy General Direction Email | Italy Ministry for the Environment, Land and Sea | Italy | Steering Committee | | |
| Joshua Cosgrove | Australia Department of Industry and Science | Australia | Steering Committee | | Alternate |
| Joao Felipe Coimbra Leite Costa | Federal University of the State of Santa Rio Grande do Sul | Brazil | Coal Subcommittee | | |
| Lorie Cummings | Environment and Climate Change Canada (ECCC) | Canada | Coal Subcommittee | | |
| Mohammed Dabbas | Ministry of Energy and Mineral Resources | Jordan | Agriculture Technical Group | | |
| Mohammed Dabbas | Ministry of Energy and Mineral Resources | Jordan | Biogas Subcommittee | | |
| Joanna Darska | Poland Ministry of the Environment | Poland | Biogas Subcommittee | | |
| Joanna Darska | Poland Ministry of the Environment | Poland | MSW Technical Group | | |
| Park Dawoom | Republic of Korea Ministry of Agriculture, Food, and Rural Areas (MAFRA) | Republic of Korea | Agriculture Technical Group | | |
| Park Dawoom | Republic of Korea Ministry of Agriculture, Food, and Rural Areas (MAFRA) | Republic of Korea | Biogas Subcommittee | | |
| Erica Day | Australian Department of Agriculture | Australia | Agriculture Technical Group | | |
| Erica Day | Australian Department of Agriculture | Australia | Biogas Subcommittee | | |
| Diane de Kerckhove | Environment and Climate Change Canada (ECCC) | Canada | Steering Committee | | |
| Orhan Demirel | Turkish Coal Enterprises | Turkey | Biogas Subcommittee | | |
| Orhan Demirel | Turkish Coal Enterprises | Turkey | MSW Technical Group | | |
| Peter Dery | Ghana Ministry of Environment, Science, Technology and Innovation | Ghana | Steering Committee | | |
| Raymond Desjardins | Agriculture and Agri-Food Canada | Canada | Agriculture Technical Group | | |
| Raymond Desjardins | Agriculture and Agri-Food Canada | Canada | Biogas Subcommittee | | |
| Raymond Desjardins | Agriculture and Agri-Food Canada | Canada | MSW Technical Group | | |
| Raymond Desjardins | Agriculture and Agri-Food Canada | Canada | Wastewater Technical Group | | |
| Brendan Devlin | European Commission, Directorate General for Energy | European Commission | Agriculture Technical Group | | |
| Brendan Devlin | European Commission, Directorate General for Energy | European Commission | Biogas Subcommittee | | |
| Brendan Devlin | European Commission, Directorate General for Energy | European Commission | MSW Technical Group | | |
| Brendan Devlin | European Commission, Directorate General for Energy | European Commission | Oil & Gas Subcommittee | | |
| Vivek Kumar Dewangan | India Ministry of Petroleum and Natural Gas | India | Oil & Gas Subcommittee | | |
| James Diamond | Environment and Climate Change Canada (ECCC) | Canada | Oil & Gas Subcommittee | Chair | |
| J.A.T. Dilhani | Sri Lanka Sustainable Energy Authority | Sri Lanka | Biogas Subcommittee | | |
| J.A.T. Dilhani | Sri Lanka Sustainable Energy Authority | Sri Lanka | MSW Technical Group | | |
| Emelita A.S. Dimapilis | Philippine Council for Industry, Energy, and Emerging Technology Research and De | Philippines | Agriculture Technical Group | | |
| Emelita A.S. Dimapilis | Philippine Council for Industry, Energy, and Emerging Technology Research and De | Philippines | Biogas Subcommittee | | |
| Djordje Djatkov | University of Novi Sad | Serbia | Agriculture Technical Group | | |
| Djordje Djatkov | University of Novi Sad | Serbia | Biogas Subcommittee | | |
| Djordje Djatkov | University of Novi Sad | Serbia | MSW Technical Group | | |
| Djordje Djatkov | University of Novi Sad | Serbia | Wastewater Technical Group | | |
| D. Dorjsuren | Mongolia Ministry of Nature, Environment & Tourism | Mongolia | Biogas Subcommittee | | |
| D. Dorjsuren | Mongolia Ministry of Nature, Environment & Tourism | Mongolia | Wastewater Technical Group | | |
| Jane Durling | Environment Agency | United Kingdom | Oil & Gas Subcommittee | | |
| Jane Durling | Environment Agency | United Kingdom | Oil & Gas Subcommittee | | |
| Eliza Dyakowska | Gaz-System S.A | Poland | Oil & Gas Subcommittee | | |
| Amin Dzamla-Gbo | Ministry of Agriculture and Rural Development | Cote d'Ivoire | Biogas Subcommittee | | |
| N. G. Ekeh | Environmental Assessment | Nigeria | Biogas Subcommittee | | |
| N. G. Ekeh | Environmental Assessment | Nigeria | MSW Technical Group | | |
| Nick Elger | U.S. Environmental Protection Agency (EPA) | United States | Biogas Subcommittee | Chair | |
| Ochir Enkhbayar | Petroleum Authority of Mongolia (PAM) | Mongolia | Oil & Gas Subcommittee | | |
| Hasan Hüseyin Erdoğan | Turkey Ministry of Energy and Natural Resources | Turkey | Oil & Gas Subcommittee | | |
| Jouko Eskelinen | Ministry for Foreign Affairs of Finland | Finland | Biogas Subcommittee | | |
| Jouko Eskelinen | Ministry for Foreign Affairs of Finland | Finland | MSW Technical Group | | |
| Margoth Espinoza | Peru Ministry of the Environment | Peru | Biogas Subcommittee | | |
| Margoth Espinoza | Peru Ministry of the Environment | Peru | Wastewater Technical Group | | |
| Joseph Essandoh-Yeddu | Energy Commission | Ghana | Oil & Gas Subcommittee | | |
| Lee Eun Hyre | Republic of Korea Ministry of Environment | Republic of Korea | Steering Committee | | |
| Lambert Faabeluon | Environmental Protection Agency - Ghana | Ghana | Biogas Subcommittee | | |
| Lambert Faabeluon | Environmental Protection Agency - Ghana | Ghana | Wastewater Technical Group | | |
| Hou Fang | National Development and Reform Commission (NDRC) | China | Steering Committee | | Alternate |
| Roberto Farina | Italian National Agency for New Technologies, Energy & Sustainable Economic Dev. | Italy | Agriculture Technical Group | | |
| Roberto Farina | Italian National Agency for New Technologies, Energy & Sustainable Economic Dev. | Italy | Biogas Subcommittee | | |
| Roberto Farina | Italian National Agency for New Technologies, Energy & Sustainable Economic Dev. | Italy | Wastewater Technical Group | | |
| Abdullah Fisne | Istanbul Technical University (ITU) | Turkey | Coal Subcommittee | | |
| Thomas Frankiewicz | U.S. Environmental Protection Agency (EPA) | United States | Biogas Subcommittee | | |
| Thomas Frankiewicz | U.S. Environmental Protection Agency (EPA) | United States | MSW Technical Group | | |
| Pamela Franklin | U.S. Environmental Protection Agency (EPA) | United States | Steering Committee | | Alternate |
| Tommi Fred | Helsinki Region Environmental Services Authority | Finland | Biogas Subcommittee | | |
| Tommi Fred | Helsinki Region Environmental Services Authority | Finland | Wastewater Technical Group | | |
| Elias Freig | Green Growth Group | Mexico | Biogas Subcommittee | | |
| Elias Freig | Green Growth Group | Mexico | Wastewater Technical Group | | |
| D. Gantumur | Mongolia Ministry of Nature, Environment & Tourism | Mongolia | Biogas Subcommittee | | |
| D. Gantumur | Mongolia Ministry of Nature, Environment & Tourism | Mongolia | Wastewater Technical Group | | |
| Peace Gbeckor-Kove | Environmental Protection Agency - Ghana | Ghana | Agriculture Technical Group | | |
| Peace Gbeckor-Kove | Environmental Protection Agency - Ghana | Ghana | Biogas Subcommittee | | |
| Federico Grullon | National Council for Climate Change and Clean Development Mechanism (CDM) | Dominican Republic | Agriculture Technical Group | | |
| Federico Grullon | National Council for Climate Change and Clean Development Mechanism (CDM) | Dominican Republic | MSW Technical Group | | |
| Federico Grullon | National Council for Climate Change and Clean Development Mechanism (CDM) | Dominican Republic | Wastewater Technical Group | Chair | |
| H. C. Guatam | Department of Agriculture and Cooperation | India | Agriculture Technical Group | | |
| Claudia Guerrero | Ministry of Environment of Chile | Chile | Agriculture Technical Group | | |
| Claudia Guerrero | Ministry of Environment of Chile | Chile | Biogas Subcommittee | | |
| Paul Gunning | U.S. Environmental Protection Agency (EPA) | United States | Steering Committee | | |
| Hua Guo | The Commonwealth Scientific and Industrial Research Organization (CSIRO) | Australia | Coal Subcommittee | | |
| A.K. Gupta | India Central Electricity Authority | India | MSW Technical Group | | |
| Diana Guzman | Secretariat for Environment and Natural Resources of Mexico (SEMARNAT) | Mexico | Steering Committee | | |
| Xu Haiyun | Ministry of Housing and Urban-Rural Development (MOHURD) | China | Biogas Subcommittee | | |
| Xu Haiyun | Ministry of Housing and Urban-Rural Development (MOHURD) | China | MSW Technical Group | | |
| Matt Hamilton | Environment and Climate Change Canada (ECCC) | Canada | Agriculture Technical Group | Chair | |
| Matt Hamilton | Environment and Climate Change Canada (ECCC) | Canada | Biogas Subcommittee | Chair | |
| Matt Hamilton | Environment and Climate Change Canada (ECCC) | Canada | MSW Technical Group | Chair | |
| Matt Hamilton | Environment and Climate Change Canada (ECCC) | Canada | Wastewater Technical Group | Chair | |
| Mari Heinonen | Helsinki Region Environmental Services Authority | Finland | Biogas Subcommittee | | |
| Mari Heinonen | Helsinki Region Environmental Services Authority | Finland | Wastewater Technical Group | | |
| Agustin Hermawan | Ministry of Energy and Mineral Resources Republic Indonesia | Indonesia | Oil & Gas Subcommittee | | |
| Jorge Hilbert | National Institute of Agriculture Technology (INTA) | Argentina | Agriculture Technical Group | Chair | |
| Jorge Hilbert | National Institute of Agriculture Technology (INTA) | Argentina | Biogas Subcommittee | Chair | |
| Kh. Hishigjargal | Mongolia Ministry of Nature, Environment & Tourism | Mongolia | Biogas Subcommittee | | |
| Kh. Hishigjargal | Mongolia Ministry of Nature, Environment & Tourism | Mongolia | MSW Technical Group | | |
| Lee Hoh Yeon | Republic of Korea Ministry of Trade, Industry & Energy (MOTIE) | Republic of Korea | Oil & Gas Subcommittee | | |
| Jairo Homez | Ministry of the Environment and Sustainable Development of Colombia | Colombia | Agriculture Technical Group | | |
| Jairo Homez | Ministry of the Environment and Sustainable Development of Colombia | Colombia | Biogas Subcommittee | | |
| Huang Hongkun | Rural Energy & Environment Agency | China | Agriculture Technical Group | | |
| Huang Hongkun | Rural Energy & Environment Agency | China | Biogas Subcommittee | | |
| Polikron Horeshka | Ministry of Environment, Forests and Water Administration (MoEFWA) | Albania | Biogas Subcommittee | | |
| Polikron Horeshka | Ministry of Environment, Forests and Water Administration (MoEFWA) | Albania | MSW Technical Group | | |
| Shengchu Huang | China Coal Strategies Research Center (CCSR) | China | Coal Subcommittee | Chair | |
| Shengchu Huang | China Coal Strategies Research Center (CCSR) | China | Steering Committee | | Alternate |
| Andrés Intriago | Municipality of Guayaquil | Ecuador | Biogas Subcommittee | | |
| Andrés Intriago | Municipality of Guayaquil | Ecuador | MSW Technical Group | | |
| Sayat Isatov | Kazakhstan Ministry of Energy | Kazakhstan | Coal Subcommittee | | |
| Masumi Ito | Japan Ministry of Economy, Trade and Industry | Japan | Oil & Gas Subcommittee | | |
| Dinesh Dayanand Jagdale | India Ministry of New and Renewable Energy | India | Biogas Subcommittee | | |
| V.K. Jain | India Ministry of New and Renewable Energy | India | Agriculture Technical Group | | |
| Han Jiaye | China Coal Information Institute (CCII) | China | Steering Committee | | Alternate |
| Asmau Jibril | Nigeria Federal Ministry of the Environment | Nigeria | Oil & Gas Subcommittee | | |
| Iris Jimenez | Secretariat for Environment and Natural Resources of Mexico (SEMARNAT) | Mexico | Steering Committee | | |
| Choi Jong In | Korea Environmental Industry and Technology Institute (KEITI) | Republic of Korea | Steering Committee | | Alternate |
| C. Ozgen Karacan | U.S. Geological Survey | United States | Coal Subcommittee | | |
| Ledjana Karalliu | Ministry of Environment, Forests and Water Administration (MoEFWA) | Albania | Biogas Subcommittee | | |
| Ledjana Karalliu | Ministry of Environment, Forests and Water Administration (MoEFWA) | Albania | MSW Technical Group | | |
| Olatokunbo Karimu | Department of Petroleum Resources | Nigeria | Oil & Gas Subcommittee | | |
| Erkan Karisli | ASKİ Genel Müdürlüğü | Turkey | Biogas Subcommittee | | |
| Erkan Karisli | ASKİ Genel Müdürlüğü | Turkey | Wastewater Technical Group | | |
| Chelsea Kealey | Environment and Climate Change Canada (ECCC) | Canada | Steering Committee | | Alternate |
| Jennifer Kerr | Environment and Climate Change Canada (ECCC) | Canada | Steering Committee | | |
| Purevdorj Khurelkhuu | Ministry of Mining and Energy of Mongolia | Mongolia | Coal Subcommittee | | |
| Purevdorj Khurelkhuu | Ministry of Mining and Energy of Mongolia | Mongolia | Oil & Gas Subcommittee | | |
| Shigeyuki Kimura | Japan Ministry of Economy, Trade and Industry | Japan | Coal Subcommittee | | |
| Ruth Kiro | Israel Ministry of Environment | Israel | Oil & Gas Subcommittee | | |
| Kenichi Kitamura | Japan Ministry of Economy, Trade and Industry | Japan | Oil & Gas Subcommittee | | |
| Corinna Klein | Federal Ministry for the Environment, Nature Conservation and Nuclear Safety | Germany | Steering Committee | | |
| Ruslan Koblanuly | Kazakhstan Ministry of Energy | Kazakhstan | Coal Subcommittee | | |
| Iffet Ugur Kömbe | Turkish Coal Enterprises | Turkey | Biogas Subcommittee | | |
| Iffet Ugur Kömbe | Turkish Coal Enterprises | Turkey | MSW Technical Group | | |
| Tiangoua Kone | Ministry of Salubrity, Environment and Sustainable Development | Cote d'Ivoire | Biogas Subcommittee | | |
| Paulina KOSTRZ - SIKORA | THE POLISH GEOLOGICAL INSTITUTE - NATIONAL RESEARCH INSTITUTE | Poland | Agriculture Technical Group | | |
| Paulina KOSTRZ - SIKORA | THE POLISH GEOLOGICAL INSTITUTE - NATIONAL RESEARCH INSTITUTE | Poland | Biogas Subcommittee | | |
| Paulina KOSTRZ - SIKORA | THE POLISH GEOLOGICAL INSTITUTE - NATIONAL RESEARCH INSTITUTE | Poland | MSW Technical Group | | |
| Paulina KOSTRZ - SIKORA | THE POLISH GEOLOGICAL INSTITUTE - NATIONAL RESEARCH INSTITUTE | Poland | Wastewater Technical Group | | |
| Armand Kouhon | PETROCI Holdings | Cote d'Ivoire | Oil & Gas Subcommittee | | |
| Petri Kouvo | HSY Helsinki Regional Environmental Services Authority | Finland | Biogas Subcommittee | | |
| Petri Kouvo | HSY Helsinki Regional Environmental Services Authority | Finland | MSW Technical Group | | |
| Manoj Kumar | Central Mine Planning & Design Institute Ltd (CMPDI) | India | Steering Committee | | |
| Kaarle Kupiainen | Finland Ministry of the Environment | Finland | Steering Committee | | |
| Yong-hwan Lee | Ministry of Knowledge Economy | Republic of Korea | Oil & Gas Subcommittee | | |
| Feng Liu | China Ministry of Ecology and Environment | China | Steering Committee | | |
| Rajiw Lochan | Central Mine Planning & Design Institute Ltd (CMPDI) | India | Steering Committee | | Alternate |
| Lina Maria Castano Lujan | Colombia Ministry of Mines and Energy | Colombia | Oil & Gas Subcommittee | | |
| Lina Maria Castano Lujan | Colombia Ministry of Mines and Energy | Colombia | Steering Committee | | |
| Bakhyt Makhanov | Kazakhstan Ministry of Energy | Kazakhstan | Oil & Gas Subcommittee | | |
| Albert G. Marino | Philippine Council for Industry, Energy, and Emerging Technology Research and De | Philippines | Biogas Subcommittee | | |
| Albert G. Marino | Philippine Council for Industry, Energy, and Emerging Technology Research and De | Philippines | MSW Technical Group | | |
| Yuhei Maruyama | Japan Ministry of Economy, Trade and Industry | Japan | Oil & Gas Subcommittee | | |
| Anthony Mensah | Accra Metropolitan Assembly (AMA) | Ghana | Biogas Subcommittee | | |
| Anthony Mensah | Accra Metropolitan Assembly (AMA) | Ghana | Wastewater Technical Group | | |
| Jose Domingos Miguez | Petrobras, Petroleo Brasileiro S.A. | Brazil | Steering Committee | | |
| Giselle Moritán | Argentina Secretary of Energy | Argentina | Oil & Gas Subcommittee | | |
| Denise Mulholland | U.S. Environmental Protection Agency (EPA) | United States | Oil & Gas Subcommittee | | |
| Batsuuri Nantsag | Ministry of Food and Agriculture of Mongolia | Mongolia | Agriculture Technical Group | | |
| Batsuuri Nantsag | Ministry of Food and Agriculture of Mongolia | Mongolia | Biogas Subcommittee | | |
| Lee Nelson | Australian Department of Agriculture | Australia | Agriculture Technical Group | | |
| Lee Nelson | Australian Department of Agriculture | Australia | Biogas Subcommittee | | |
| Joanna Niemczewska | Oil and Gas Institute (INIG) of Poland | Poland | Oil & Gas Subcommittee | | |
| José Nilton de Souza Vieira | Brazil Ministry of the Environment | Brazil | Steering Committee | | |
| Ilan Nissim | Israel Ministry of Energy | Israel | Oil & Gas Subcommittee | | |
| E.P. Nivedita | India Ministry of Urban Development | India | MSW Technical Group | | |
| Olayinka Ogunsola | U.S. Department of Energy (DOE) | United States | Coal Subcommittee | | |
| Michihiro Oi | Ministry of the Environment of Japan | Japan | Steering Committee | | |
| Regina Caterin Ortega Gordillo | Peru Ministry of the Environment | Peru | Biogas Subcommittee | | |
| Regina Caterin Ortega Gordillo | Peru Ministry of the Environment | Peru | MSW Technical Group | | |
| P. Oyuntuya | Mineral Resources Authority Mongolia (MRAM) | Mongolia | Coal Subcommittee | | |
| Emre Özgür | Turkey Ministry of Energy and Natural Resources | Turkey | Oil & Gas Subcommittee | | |
| Christina Elizabeth Paes de Vasconcelos | Brazil Ministry of Mines and Energy | Brazil | Oil & Gas Subcommittee | | |
| Byeong-chan Park | Ministry of Knowledge Economy | Republic of Korea | Coal Subcommittee | | |
| P.M.G. Pathiraja | National Engineering Research & Development Center | Sri Lanka | Biogas Subcommittee | | |
| P.M.G. Pathiraja | National Engineering Research & Development Center | Sri Lanka | MSW Technical Group | | |
| Chiranjib Patra | India Central Mine Planning & Design Institute Ltd | India | Steering Committee | | Alternate |
| Nonilo A. Pena | Philippine Council for Industry, Energy, and Emerging Technology Research and De | Philippines | Biogas Subcommittee | | |
| Nonilo A. Pena | Philippine Council for Industry, Energy, and Emerging Technology Research and De | Philippines | MSW Technical Group | | |
| Jose Henrique Penido Monteiro | Rio de Janeiro City Solid Waste Company (COMLURB) | Brazil | Biogas Subcommittee | | |
| Jose Henrique Penido Monteiro | Rio de Janeiro City Solid Waste Company (COMLURB) | Brazil | MSW Technical Group | | |
| Julio C. Perez Aguilar | Nicaragua Ministry of Energy and Mines | Nicaragua | Agriculture Technical Group | | |
| Julio C. Perez Aguilar | Nicaragua Ministry of Energy and Mines | Nicaragua | Biogas Subcommittee | | |
| Julio C. Perez Aguilar | Nicaragua Ministry of Energy and Mines | Nicaragua | MSW Technical Group | | |
| Julio C. Perez Aguilar | Nicaragua Ministry of Energy and Mines | Nicaragua | Wastewater Technical Group | | |
| Héctor Pérez Cardona | Colombia Ministry of Mines and Energy | Colombia | Coal Subcommittee | | |
| Luigi Petta | Italian National Agency for New Technologies, Energy & Sustainable Economic Dev. | Italy | Agriculture Technical Group | | |
| Luigi Petta | Italian National Agency for New Technologies, Energy & Sustainable Economic Dev. | Italy | Biogas Subcommittee | | |
| Giorgio Pineschi | Italy Ministry for the Environment, Land and Sea | Italy | Biogas Subcommittee | | |
| Giorgio Pineschi | Italy Ministry for the Environment, Land and Sea | Italy | Wastewater Technical Group | | |
| Fabrizio Pisanu | Carbosulcis s.p.a. | Italy | Coal Subcommittee | | |
| Franck Portalupi | Environment and Climate Change Canada (ECCC) | Canada | Agriculture Technical Group | | |
| Franck Portalupi | Environment and Climate Change Canada (ECCC) | Canada | Biogas Subcommittee | | |
| Franck Portalupi | Environment and Climate Change Canada (ECCC) | Canada | MSW Technical Group | | |
| Franck Portalupi | Environment and Climate Change Canada (ECCC) | Canada | Wastewater Technical Group | | |
| Berioska Quispe | Peru Ministry of the Environment | Peru | Agriculture Technical Group | | |
| Berioska Quispe | Peru Ministry of the Environment | Peru | Biogas Subcommittee | | |
| Vladyslav Ramazanov | Ministry of Energy and Coal Industry of Ukraine | Ukraine | Oil & Gas Subcommittee | | |
| Boris Fedorovich Reutov | Russia Agency of Science and Innovations | Russia | Biogas Subcommittee | | |
| Boris Fedorovich Reutov | Russia Agency of Science and Innovations | Russia | MSW Technical Group | | |
| Krystyna Magorzata Robaszewska | Ministry of the Economy of Poland | Poland | Oil & Gas Subcommittee | | |
| Norberto de Jesus Roque Diaz de Leon | Mexico Secretariat of Economy | Mexico | Coal Subcommittee | | |
| Volha Roshchanka | U.S. Environmental Protection Agency (EPA) | United States | Coal Subcommittee | Chair | |
| Marcelo Eduardo Rosso | Argentina Ecological Coordination Society of State Metropolitan Area (CEAMSE) | Argentina | Biogas Subcommittee | | |
| Marcelo Eduardo Rosso | Argentina Ecological Coordination Society of State Metropolitan Area (CEAMSE) | Argentina | MSW Technical Group | | |
| Jason Russo | Australian Government, Department of Industry, Innovation and Science | Australia | Coal Subcommittee | | |
| Helen Ryan | Environment and Climate Change Canada (ECCC) | Canada | Steering Committee | Chair | |
| Tetiana Rybina | Ukraine Ministry of Environmental Protection | Ukraine | Biogas Subcommittee | | |
| Tetiana Rybina | Ukraine Ministry of Environmental Protection | Ukraine | MSW Technical Group | | |
| Adel S. Ghamdi | Saudi Aramco | Saudi Arabia | Oil & Gas Subcommittee | | |
| Ali Sagir | Turkish Coal Enterprises | Turkey | Coal Subcommittee | | |
| Kobenan Guilaume Sahode | Ministry of Salubrity, Environment and Sustainable Development | Cote d'Ivoire | Biogas Subcommittee | | |
| Lukman Y. Salifu | WasteCare Associates | Ghana | Biogas Subcommittee | | |
| Lukman Y. Salifu | WasteCare Associates | Ghana | MSW Technical Group | | |
| Eduardo José Sánchez-Sierra | Colombia Ministry of Mines and Energy | Colombia | Coal Subcommittee | | |
| Mohammad Sani | Nigeria Federal Ministry of the Environment | Nigeria | Steering Committee | | |
| Mohammed Sani | Nigeria Federal Ministry of the Environment | Nigeria | Steering Committee | | |
| Shekhar Saran | Central Mine Planning & Design Institute Ltd (CMPDI) | India | Coal Subcommittee | Chair | |
| Kuanysh Sarsekeyev | Kazakhstan Ministry of Energy | Kazakhstan | Oil & Gas Subcommittee | | |
| Anja Schwetje | Germany Federal Environment Agency (UBA) | Germany | Biogas Subcommittee | | |
| Anja Schwetje | Germany Federal Environment Agency (UBA) | Germany | MSW Technical Group | | |
| Tim Sell | Australia Department of Industry and Science | Australia | Steering Committee | | |
| Shashi Shanker | Oil and Natural Gas Corporation Ltd. (ONGC) | India | Oil & Gas Subcommittee | | |
| Oleg Shevchenko | Ministry of Energy and Coal Industry of Ukraine | Ukraine | Coal Subcommittee | | |
| Monica Shimamura | U.S. Environmental Protection Agency (EPA) | United States | Steering Committee | | Alternate |
| Marlene Sieck | Germany Federal Environment Agency (UBA) | Germany | Biogas Subcommittee | | |
| Marlene Sieck | Germany Federal Environment Agency (UBA) | Germany | MSW Technical Group | | |
| N.B. Singh | India Ministry of Agriculture | India | Agriculture Technical Group | | |
| Jacek Skiba | Central Mining Institute | Poland | Coal Subcommittee | | |
| Ujang Solihin Sidik | Ministry of Environment of Indonesia | Indonesia | Biogas Subcommittee | | |
| Ujang Solihin Sidik | Ministry of Environment of Indonesia | Indonesia | MSW Technical Group | | |
| Alessandro Spagni | Italian National Agency for New Technologies, Energy & Sustainable Economic Dev. | Italy | Biogas Subcommittee | | |
| Alessandro Spagni | Italian National Agency for New Technologies, Energy & Sustainable Economic Dev. | Italy | Wastewater Technical Group | | |
| Grigor Stoyanov | 100-First Zero Waste and Organic Cycle Organization (100-NGO) | Bulgaria | Biogas Subcommittee | | |
| Grigor Stoyanov | 100-First Zero Waste and Organic Cycle Organization (100-NGO) | Bulgaria | MSW Technical Group | | |
| Nataliya Stranadko | Ministry of Ukraine, Emergencies & Affairs of Pop. | Ukraine | Biogas Subcommittee | | |
| Nataliya Stranadko | Ministry of Ukraine, Emergencies & Affairs of Pop. | Ukraine | MSW Technical Group | | |
| Putu Suardana | Ministry of Energy and Mineral Resources Republic Indonesia | Indonesia | Oil & Gas Subcommittee | | |
| Keichi Sugita | Japan Ministry of Agriculture, Forestry and Fisheries | Japan | Agriculture Technical Group | | |
| Keichi Sugita | Japan Ministry of Agriculture, Forestry and Fisheries | Japan | Biogas Subcommittee | | |
| Vinod Kumar Tiwari | Ministry of Coal of India | India | Steering Committee | | |
| Metin Turan | Yeditepe University | Turkey | Agriculture Technical Group | | |
| Metin Turan | Yeditepe University | Turkey | Biogas Subcommittee | | |
| Daniel Tutu Benefoh | Environmental Protection Agency - Ghana | Ghana | Biogas Subcommittee | | |
| Daniel Tutu Benefoh | Environmental Protection Agency - Ghana | Ghana | Steering Committee | | |
| Daniel Tutu Benefoh | Environmental Protection Agency - Ghana | Ghana | Wastewater Technical Group | | |
| Leonid Tverdokhlebov | CCD Rosnedra | Russia | Oil & Gas Subcommittee | | |
| Santiago Uribe | Ministry of the Environment and Sustainable Development of Colombia | Colombia | Biogas Subcommittee | | |
| Santiago Uribe | Ministry of the Environment and Sustainable Development of Colombia | Colombia | MSW Technical Group | | |
| Roberto Urquizo | Government of the Province of Guayas | Ecuador | Agriculture Technical Group | | |
| Roberto Urquizo | Government of the Province of Guayas | Ecuador | Biogas Subcommittee | | |
| Birgitta Vainio-Mattila | Ministry of Agriculture and Forestry of Finland | Finland | Agriculture Technical Group | | |
| Birgitta Vainio-Mattila | Ministry of Agriculture and Forestry of Finland | Finland | Biogas Subcommittee | | |
| Maria Valenzuela | Chile - Ministry of Energy | Chile | Oil & Gas Subcommittee | | |
| Andrew Vanderzaag | Agriculture and Agri-Food Canada | Canada | Agriculture Technical Group | | |
| Andrew Vanderzaag | Agriculture and Agri-Food Canada | Canada | Biogas Subcommittee | | |
| Andrew Vanderzaag | Agriculture and Agri-Food Canada | Canada | MSW Technical Group | | |
| Andrew Vanderzaag | Agriculture and Agri-Food Canada | Canada | Wastewater Technical Group | | |
| Alfonso Velez | Ecuador Ministry of the Environment | Ecuador | Biogas Subcommittee | | |
| Alfonso Velez | Ecuador Ministry of the Environment | Ecuador | MSW Technical Group | | |
| Goran Vujic | University of Novi Sad | Serbia | Agriculture Technical Group | | |
| Goran Vujic | University of Novi Sad | Serbia | Biogas Subcommittee | | |
| Goran Vujic | University of Novi Sad | Serbia | MSW Technical Group | | |
| Goran Vujic | University of Novi Sad | Serbia | Wastewater Technical Group | | |
| Matthew Wagner | Australian Government, Department of Industry, Innovation and Science | Australia | Oil & Gas Subcommittee | | |
| Agnieszka WAWRZYNIAK | Institute of Technology and Life Sciences Pozna? Branch | Poland | Agriculture Technical Group | | |
| Agnieszka WAWRZYNIAK | Institute of Technology and Life Sciences Pozna? Branch | Poland | Biogas Subcommittee | | |
| Agnieszka WAWRZYNIAK | Institute of Technology and Life Sciences Pozna? Branch | Poland | MSW Technical Group | | |
| Agnieszka WAWRZYNIAK | Institute of Technology and Life Sciences Pozna? Branch | Poland | Wastewater Technical Group | | |
| Nicole Wilke | Germany Ministry, Envir, Nature Consv & Nuclear Safety | Germany | Steering Committee | | |
| Igor Yashchenko | Ministry of Energy and Coal Industry of Ukraine | Ukraine | Coal Subcommittee | | |
| Zhang Yue | Ministry of Housing and Urban-Rural Development (MOHURD) | China | Biogas Subcommittee | | |
| Zhang Yue | Ministry of Housing and Urban-Rural Development (MOHURD) | China | MSW Technical Group | | |
| Zhang Yue | Ministry of Housing and Urban-Rural Development (MOHURD) | China | Wastewater Technical Group | | |
| Sahika Yurek | Turkish Coal Enterprises | Turkey | Coal Subcommittee | | |
| Alvaro Zopatti | Secretariat of Environment & Sustainable Development of Argentina | Argentina | Steering Committee | | Alternate |
